GALEX J203424.9-095535

All names: TIC 9495646, UCAC4 401-124785, GALEX J203424.9-095535, GALEXJ20344-0955, DENIS J203424.9-095535, 2MASS J20342492-0955362, Gaia DR2 6904741952225560576, Gaia DR3 6904741952225560576, UCAC2 28462554

Parameter Unit Geier 2020 Stilism Simbad
Right ascension 20 34 24.92 20 34 24.93 (0.04)
Declination -09 55 35.59 -09 55 36.21 (0.03)
Spectral type sdO sdO
Effective temperature [K]
log(g) [cgs]
Mass [M☉]
log(Luminosity) [L☉]
Cooling age [Gyr]
log(H/He)
log(C/He)
log(Ca/He)
log(Ca/H)
Parallax [mas] 0.30 (0.08) 0.38 (0.05)
Distance [pc] 3342.25 (839) 2642.01 (371)
Composition
Proper motion (right ascension) [mas/yr] 2.938 (0.1) 2.804 (0.05)
Proper motion (declination) [mas/yr] -19.57 (0.08) -19.486 (0.04)
Variability
Magnetic
Bd [MG]
Infrared excess (disk)
Binarity
B magnitude 14.86 (0.02)
V magnitude 15.13 (0.01)
R magnitude 15.34 (0.2)
I magnitude 15.33 (0.04)
J magnitude 15.74 (0.08) 15.74 (0.08)
H magnitude 15.81 (0.2) 15.81 (0.2)
K magnitude 15.30
u magnitude
g magnitude 14.88 (0.01)
r magnitude 15.38 (0.01)
i magnitude 15.49 (0.01)
z magnitude
G magnitude 15.05 (0.0007) 15.03 (0.003)
BP magnitude 14.81 (0.01)
RP magnitude 15.32 (0.003)
Pan g magnitude 14.89 (0.001)
Pan r magnitude 15.30 (0.001)
Pan i magnitude 15.66 (0.003)
Pan z magnitude 15.93 (0.003)
Pan y magnitude 16.12 (0.004)
E(B-V) 0.057

* Constant surface field

Special notes:

Spectra

Controls

Normalize at:
Normalize by mean flux

Range:

x: to
y: to

Spectra available:

Spectra without link are available upon request

Absorption lines

Photometric filters

BVRI
ugriz

Photometric fit




The Montreal White Dwarf Database is produced and maintained by Prof. Patrick Dufour (Université de Montréal) and Dr. Simon Blouin (University of Victoria). Please send database updates, corrections, suggestions or bug reports to patrick.dufour@umontreal.ca.